DE60036791D1 - Optic transmission line with Raman amplification and optical transmission system - Google Patents
Optic transmission line with Raman amplification and optical transmission systemInfo
- Publication number
- DE60036791D1 DE60036791D1 DE60036791T DE60036791T DE60036791D1 DE 60036791 D1 DE60036791 D1 DE 60036791D1 DE 60036791 T DE60036791 T DE 60036791T DE 60036791 T DE60036791 T DE 60036791T DE 60036791 D1 DE60036791 D1 DE 60036791D1
- Authority
- DE
- Germany
- Prior art keywords
- raman amplification
- transmission line
- transmission system
- optic
- optical transmission
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/14—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
- H01S3/22—Gases
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/30—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range using scattering effects, e.g. stimulated Brillouin or Raman effects
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/30—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range using scattering effects, e.g. stimulated Brillouin or Raman effects
- H01S3/302—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range using scattering effects, e.g. stimulated Brillouin or Raman effects in an optical fibre
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
- H01S3/067—Fibre lasers
- H01S3/06754—Fibre amplifiers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/09—Processes or apparatus for excitation, e.g. pumping
- H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
- H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
- H01S3/094003—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light the pumped medium being a fibre
- H01S3/094011—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light the pumped medium being a fibre with bidirectional pumping, i.e. with injection of the pump light from both two ends of the fibre
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/106—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the cavity
- H01S3/107—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the cavity using electro-optic devices, e.g. exhibiting Pockels or Kerr effect
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
- Optical Communication System (AREA)
- Lasers (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP36756899 | 1999-12-24 | ||
JP36756899 | 1999-12-24 | ||
PCT/JP2000/005343 WO2001048550A1 (en) | 1999-12-24 | 2000-08-09 | Optical transmission line, method for manufacturing optical transmission line, and optical transmission system |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60036791D1 true DE60036791D1 (en) | 2007-11-29 |
DE60036791T2 DE60036791T2 (en) | 2008-02-07 |
Family
ID=18489638
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60036791T Expired - Lifetime DE60036791T2 (en) | 1999-12-24 | 2000-08-09 | Optical transmission line, method for manufacturing an optical transmission line and optical transmission system |
Country Status (7)
Country | Link |
---|---|
US (2) | US6795235B1 (en) |
EP (1) | EP1164412B1 (en) |
AU (1) | AU783200B2 (en) |
CA (1) | CA2365109A1 (en) |
DE (1) | DE60036791T2 (en) |
TW (1) | TW480351B (en) |
WO (1) | WO2001048550A1 (en) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003066261A (en) * | 2001-08-27 | 2003-03-05 | Sumitomo Electric Ind Ltd | Optical transmission line and optical communication system |
JP2003066262A (en) * | 2001-08-29 | 2003-03-05 | Sumitomo Electric Ind Ltd | Optical transmission line and optical communication system |
JP3903768B2 (en) * | 2001-10-31 | 2007-04-11 | 日本電気株式会社 | Optical fiber transmission system, Raman gain control device, and Raman gain control method |
JP3873779B2 (en) * | 2002-03-04 | 2007-01-24 | 富士通株式会社 | Raman amplification optical communication system |
EP1654817A1 (en) * | 2003-08-11 | 2006-05-10 | Telecom Italia S.p.A. | Multi-stage optical amplifier optimized with respect to noise, gain and bandwidth |
DE602005023761D1 (en) | 2004-10-27 | 2010-11-04 | Epcos Ag | REDUCTION OF AIR DAMPING IN A MEMS DEVICE |
JP4602739B2 (en) * | 2004-11-01 | 2010-12-22 | 昭和電線ケーブルシステム株式会社 | WDM transmission system |
JP2007005484A (en) * | 2005-06-22 | 2007-01-11 | Fujitsu Ltd | Optical amplifier and optical fiber |
JP2008273769A (en) * | 2007-04-26 | 2008-11-13 | Hitachi Cable Ltd | Optical fiber, its manufacturing method, and optical fiber manufacturing apparatus |
US9484706B1 (en) * | 2012-06-12 | 2016-11-01 | Nlight, Inc. | Tapered core fiber manufacturing methods |
WO2016032420A1 (en) * | 2014-08-25 | 2016-03-03 | Halliburton Energy Services, Inc. | Hybrid fiber optic cable for distributed sensing |
CN108649416B (en) * | 2018-06-27 | 2019-09-13 | 武汉光迅科技股份有限公司 | Fiber lengths are to maximum gain impact factor acquisition methods and device in a kind of distributed Raman fiber amplifier |
JP7271664B2 (en) * | 2018-11-01 | 2023-05-11 | オーエフエス ファイテル,エルエルシー | Wavelength sweep light source |
CN114946136A (en) * | 2019-12-18 | 2022-08-26 | Ofs菲特尔有限责任公司 | Amplified hollow-core fiber optic transmission |
CN114978309A (en) * | 2022-07-01 | 2022-08-30 | 国网西藏电力有限公司 | Method and device for measuring Raman gain coefficient |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59126696A (en) * | 1983-01-10 | 1984-07-21 | Nec Corp | Light amplifier for optical communication |
JPS6114624A (en) * | 1984-06-29 | 1986-01-22 | Nippon Telegr & Teleph Corp <Ntt> | Optical amplifying device by optical fiber |
JPH0310204A (en) * | 1989-06-07 | 1991-01-17 | Fujikura Ltd | Nonlinear optical fiber and its manufacture |
US5058974A (en) | 1989-10-06 | 1991-10-22 | At&T Bell Laboratories | Distributed amplification for lightwave transmission system |
US5039199A (en) * | 1989-12-29 | 1991-08-13 | At&T Bell Laboratories | Lightwave transmission system having remotely pumped quasi-distributed amplifying fibers |
JP2584151B2 (en) * | 1991-06-11 | 1997-02-19 | 株式会社フジクラ | Optical fiber |
DE59306835D1 (en) * | 1992-09-30 | 1997-08-07 | Siemens Ag | Optical transmission device for the transmission of optical signals in wavelength division multiplex on a plurality of adjacent optical carrier wavelengths |
US6191877B1 (en) * | 1995-02-17 | 2001-02-20 | Lucent Technologies Inc. | WDM optical fiber system using Raman amplification |
EP2503655A3 (en) * | 1995-03-20 | 2013-02-27 | Fujitsu Limited | Optical fiber amplifier and dispersion compensating fiber module for optical fiber amplifier |
JPH0983441A (en) * | 1995-09-19 | 1997-03-28 | Matsushita Electric Ind Co Ltd | Transmitter-receiver |
JPH0996843A (en) * | 1995-09-29 | 1997-04-08 | Sumitomo Electric Ind Ltd | Optical repeating transmission system and optical communication method |
CA2195614C (en) | 1996-02-16 | 2005-06-28 | George F. Wildeman | Symmetric, dispersion-manager fiber optic cable and system |
JP3403288B2 (en) * | 1996-02-23 | 2003-05-06 | 古河電気工業株式会社 | Optical amplifier |
JPH10200509A (en) * | 1997-01-10 | 1998-07-31 | Nippon Telegr & Teleph Corp <Ntt> | Optical transmission system |
US6081366A (en) * | 1997-08-28 | 2000-06-27 | Lucent Technologies Inc. | Optical fiber communication system with a distributed Raman amplifier and a remotely pumped er-doped fiber amplifier |
US5887093A (en) * | 1997-09-12 | 1999-03-23 | Lucent Technologies Incorporated | Optical fiber dispersion compensation |
JPH11204866A (en) * | 1998-01-19 | 1999-07-30 | Kdd | Wavelength multiplexing signal amplification relay and optical communication transmission line provided therewith |
JPH11208998A (en) * | 1998-01-26 | 1999-08-03 | Sumitomo Electric Ind Ltd | Optical fiber winding method |
US6052219A (en) * | 1999-02-16 | 2000-04-18 | Tyco Submarine Systems Ltd. | Wide bandwidth Raman amplifier capable of employing pump energy spectrally overlapping the signal |
US6366728B1 (en) * | 2000-01-28 | 2002-04-02 | Mci Worldcom, Inc. | Composite optical fiber transmission line method |
JP2002014383A (en) * | 2000-06-28 | 2002-01-18 | Kdd Submarine Cable Systems Inc | Raman amplifier |
-
2000
- 2000-08-09 AU AU64731/00A patent/AU783200B2/en not_active Ceased
- 2000-08-09 CA CA002365109A patent/CA2365109A1/en not_active Abandoned
- 2000-08-09 DE DE60036791T patent/DE60036791T2/en not_active Expired - Lifetime
- 2000-08-09 WO PCT/JP2000/005343 patent/WO2001048550A1/en active IP Right Grant
- 2000-08-09 EP EP00951920A patent/EP1164412B1/en not_active Expired - Lifetime
- 2000-08-11 US US09/635,900 patent/US6795235B1/en not_active Expired - Lifetime
- 2000-08-25 TW TW089117180A patent/TW480351B/en not_active IP Right Cessation
-
2004
- 2004-04-29 US US10/834,189 patent/US7085040B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US7085040B2 (en) | 2006-08-01 |
EP1164412B1 (en) | 2007-10-17 |
EP1164412A4 (en) | 2005-07-27 |
AU6473100A (en) | 2001-07-09 |
DE60036791T2 (en) | 2008-02-07 |
WO2001048550A1 (en) | 2001-07-05 |
CA2365109A1 (en) | 2001-07-05 |
US6795235B1 (en) | 2004-09-21 |
US20040202437A1 (en) | 2004-10-14 |
EP1164412A1 (en) | 2001-12-19 |
TW480351B (en) | 2002-03-21 |
AU783200B2 (en) | 2005-10-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
R084 | Declaration of willingness to licence |
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